Quick answers
- Which hospitals does Michael J. Sisack work at?
- Medicare's official clinician data lists Michael J. Sisack at 1 hospital: Hunterdon Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Sisack see patients?
- Medicare's clinician data lists 5 practice locations, including Flemington, NJ, Bridgewater, NJ and Lambertville, NJ. Call before your visit to confirm the address.
- What is Michael J. Sisack's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Michael J. Sisack accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Sisack accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael J. Sisack?
- (908) 237-4105, as listed in official Medicare / NPI Registry data.
- What is Michael J. Sisack's NPI number?
- 1073552576. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Sisack works
Medicare's Facility Affiliation Data lists Michael J. Sisack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hunterdon Medical CenterFlemington, NJ · Acute Care Hospital · CCN 310005
Practice locations
Addresses where Michael J. Sisack is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Wescott Dr, Suite 101Flemington, NJ 08822 (908) 237‑4105
- 121 Route 31Flemington, NJ 08822
- 1251 Route 22Bridgewater, NJ 08807 (908) 237‑4108
- 2100 Wescott DrFlemington, NJ 08822 (908) 284‑1125
- 72 Alexander Ave, Suite 201Lambertville, NJ 08530 (908) 237‑4124
Group practices
Medicare enrollment lists Michael J. Sisack as a member of this group (CMS data updated 2026-10-02).
- Hunterdon Specialty Care PC93 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Flemington
Clinicians with the same Medicare primary specialty in Flemington, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073552576 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians